changelog: adds note about closing #9636

CHANGELOG.md

@@ -14,6 +14,7 @@
 
 ## Fixes 
 * **Sensu**: Send alert message to sensu output [#9551](https://github.com/grafana/grafana/issues/9551), thx [@cjchand](https://github.com/cjchand)
+* **Singlestat**: suppress error when result contains no datapoints [#9636](https://github.com/grafana/grafana/issues/9636), thx [@utkarshcmu](https://github.com/utkarshcmu)
 
 # 4.6.0-beta3 (2017-10-23)